--- version: rssac002v3 service: j.root-servers.net start-period: '2019-03-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7049529311 dns-udp-queries-received-ipv6: 1189627136 dns-tcp-queries-received-ipv4: 331074088 dns-tcp-queries-received-ipv6: 174926706 dns-udp-responses-sent-ipv4: 6732872062 dns-udp-responses-sent-ipv6: 1056544130 dns-tcp-responses-sent-ipv4: 297179837 dns-tcp-responses-sent-ipv6: 106595975